Hail and Damaging Winds in Montana, July 29, 2025

Name: Hail and Damaging Winds in Montana, July 29, 2025
Start: 2025-07-29T14:33
End: 2025-07-29T18:45
Location: Montana

July 29, 2025 · NWS BYZ · 8 events in 4 counties and zones

A few strong thunderstorms occurred across southern Montana, producing gusts up to 74 mph and hail up to 2 inches in diameter.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 8

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BYZ wrote it up.

A few strong thunderstorms occurred across southern Montana, producing gusts up to 74 mph and hail up to 2 inches in diameter.

The radar

The Billings radar (KBLX), 204 km away, was scanning. The volume nearest the first event began at 21:32 UTC.

Open the radar archive at this moment

Event by event

4 hail, 4 thunderstorm wind. Local standard time, as filed.

Hail, Custer

When: July 29, 2:33 PM MST
Where: Custer County, 4.06 mi ESE of Sheffield
Measured: 2 in hail
Reported by: Public
Coordinates: 46.310, -106.050

Report from mping.

Hail, Park

When: July 29, 2:35 PM MST
Where: Park County, 0.84 mi SE of Wilsall
Measured: 1.25 in hail
Reported by: COOP Observer
Coordinates: 45.990, -110.660

Report from coop residence.

Thunderstorm Wind, Custer

When: July 29, 3:05 PM MST
Where: Custer County, 0.69 mi N of Kinsey
Measured: 55 kt (63 mph) estimated gust
Reported by: Public
Coordinates: 46.580, -105.650

Estimated 3 to 4 inch diameter tree limbs broken.

Hail, Custer

When: July 29, 3:42 PM MST
Where: Custer County, 16.9 mi NNE of Volborg
Measured: 1.75 in hail
Reported by: Public
Coordinates: 46.080, -105.560

Report from mping.

Hail, Custer

When: July 29, 3:49 PM MST
Where: Custer County, 16.58 mi ENE of Volborg
Measured: 1.75 in hail
Reported by: Trained Spotter
Coordinates: 45.980, -105.390

Measured by spotter.

Thunderstorm Wind, Carter

When: July 29, 6:00 PM MST
Where: Carter County, 11.99 mi SSE of Ridgeway
Measured: 55 kt (63 mph) measured gust
Reported by: Mesonet
Coordinates: 45.310, -104.470

Mesonet station mtekl at 12.1 S Ridgeway.

Thunderstorm Wind, Fallon

When: July 29, 6:00 PM MST
Where: Fallon County, 8.94 mi SSW of Willard
Measured: 52 kt (60 mph) measured gust
Reported by: Mesonet
Coordinates: 46.080, -104.440

Mesonet station mteka Baker Mt-7 mp 14.2 .

Thunderstorm Wind, Carter

When: July 29, 6:45 PM MST
Where: Carter County, 2.81 mi ESE of Alzada
Measured: 64 kt (74 mph) measured gust
Reported by: Mesonet
Coordinates: 45.000, -104.370

Mesonet station mtalz at 2.3 E Alzada.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Montana in 2025 Every state in 2025 This day in weather history Warnings in Montana, July 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1288130, 1288131, 1288134, 1288132, 1288133, 1288135, 1288136, 1288137.